<template>
    <div class="reply-warp">
        <div class="reply-title">
            <svg-icon icon-class="comment" size="1.4rem" style="margin-right: 5px;"></svg-icon>
            评论
        </div>
        <ReplyBox @reload="reloadComments" :comment-type="commentType" :type-id="typeId"></ReplyBox>
        <div v-if="count > 0 && reFresh">
            <div class="reply-item" v-for="(comment, index) of commentList" :key="comment.id">
                <div class="reply-box-avatar">
                    <img class="shoka-avatar" :src="comment.avatar">
                </div>
                <div class="content-warp">
                    <div class="user-info">
                        <div class="user-name">{{ comment.fromNickname }}</div>
                        <svg-icon v-if="comment.fromUid == 1" icon-class="badge"></svg-icon>
                    </div>
                    <div class="reply-content" v-html="comment.commentContent"></div>
                    <div class="reply-info">
                        <span class="reply-time">{{ formatDateTime(comment.createTime) }}</span>
                        <span class="reply-like" @click="like(comment)">
                            <svg-icon class="like" icon-class="like" size="0.8rem" :class="isLike(comment.id)"
                                style="margin-right: 5px"></svg-icon>
                            <span v-show="comment.likeCount">{{ comment.likeCount }}</span>
                        </span>
                        <span class="reply-btn" @click="handleReply(index, comment)">回复</span>
                    </div>
                    <div class="sub-reply-item" v-for="reply of comment.replyVOList" :key="reply.id">
                        <div class="sub-user-info">
                            <img class="sub-reply-avatar" :src="reply.avatar" />
                            <div class="sub-user-name">{{ reply.fromNickname }}</div>
                            <svg-icon v-if="reply.fromUid == 1" icon-class="badge" style="margin-left: 5px;"></svg-icon>
                        </div>
                        <span class="reply-content">
                            <template v-if="reply.fromUid !== reply.toUid">回复 <span style="color: #008ac5">@{{
                                reply.toNickname
                            }}</span> :</template>
                            <span v-html="reply.commentContent"></span>
                        </span>
                        <div class="reply-info">
                            <span class="reply-time">{{ formatDateTime(reply.createTime) }}</span>
                            <span class="reply-like" @click="like(reply)">
                                <svg-icon class="like" icon-class="like" size="0.8rem" :class="isLike(reply.id)"
                                    style="margin-right: 5px"></svg-icon>
                                <span v-show="reply.likeCount > 0">{{ reply.likeCount }}</span>
                            </span>
                            <span class="reply-btn" @click="handleReply(index, reply)">回复</span>
                        </div>
                    </div>
                    <div ref="readMoreRef" class="view-more" v-show="comment.replyCount > 3">
                        <span>共{{ comment.replyCount }}条回复, </span>
                        <span class="view-more-btn" @click="readMoreComment(index, comment)">点击查看</span>
                    </div>
                    <Paging ref="pageRef" :total="comment.replyCount" :index="index" :commentId="comment.id"
                        @get-current-page="getCurrentPage"></Paging>
                    <ReplyBox ref="replyRef" class="mt-4" :show="false" :comment-type="commentType" :type-id="typeId"
                        @reload="reloadReplies(index)">
                    </ReplyBox>
                    <div class="bottom-line"></div>
                </div>
            </div>
            <div class="loading-warp" v-if="count > commentList.length">
                <n-button class="btn" color="#e9546b" @click="getList">
                    加载更多...
                </n-button>
            </div>
        </div>
        <div v-else style="padding: 1.25rem; text-align: center">来发评论吧~</div>
    </div>
</template>

<script setup lang="ts">
import { getCommentList, getReplyList, likeComment } from '@/api/comment';
import { Comment, CommentQuery, Reply } from '@/api/comment/types';
import useStore from "@/store";
import { formatDateTime } from '@/utils/date';
const { user, app } = useStore();
const replyRef = ref<any>([]);
const pageRef = ref<any>([]);
const readMoreRef = ref<any>([]);
const props = defineProps({
    commentType: {
        type: Number,
    }
});
const emit = defineEmits(["getCommentCount"]);
const typeId = computed(() => Number(useRoute().params.id) ? Number(useRoute().params.id) : undefined);
const isLike = computed(() => (id: number) => user.commentLikeSet.indexOf(id) != -1 ? "like-flag" : "");
const data = reactive({
    count: 0,
    reFresh: true,
    queryParams: {
        current: 1,
        typeId: typeId.value,
        commentType: props.commentType,
    } as CommentQuery,
    commentList: [] as Comment[],
});
const { count, reFresh, queryParams, commentList } = toRefs(data);
const like = (comment: Comment | Reply) => {
    if (!user.id) {
        app.setLoginFlag(true);
        return;
    }
    let id = comment.id;
    likeComment(id).then(({ data }) => {
        if (data.flag) {
            //判断是否点赞
            if (user.commentLikeSet.indexOf(id) != -1) {
                comment.likeCount -= 1;
            } else {
                comment.likeCount += 1;
            }
            user.commentLike(id);
        }
    });
};
// 刷新评论列表
watch(
    commentList,
    () => {
        reFresh.value = false;
        nextTick(() => {
            reFresh.value = true
        })
    },
    { deep: false },
);
// 查看更多评论
const readMoreComment = (index: number, comment: Comment) => {
    getReplyList(comment.id, { current: 1, size: 5 }).then(({ data }) => {
        comment.replyVOList = data.data;
        // 回复大于5条展示分页
        if (comment.replyCount > 5) {
            pageRef.value[index].setPaging(true);
        }
        // 隐藏查看更多
        readMoreRef.value[index].style.display = "none";
    });
};
// 查看当前页的回复评论
const getCurrentPage = (current: number, index: number, commentId: number) => {
    getReplyList(commentId, { current: current, size: 5 }).then(({ data }) => {
        commentList.value[index].replyVOList = data.data;
    });
};
const handleReply = (index: number, target: Comment | Reply) => {
    replyRef.value.forEach((element: any) => {
        element.setReply(false);
    });
    const currentReply = replyRef.value[index];
    currentReply.nickname = target.fromNickname;
    currentReply.commentForm.replyId = target.id;
    currentReply.commentForm.toUid = target.fromUid;
    currentReply.commentForm.parentId = commentList.value[index].id;
    currentReply.setReply(true);
};
const getList = () => {
    getCommentList(queryParams.value).then(({ data }) => {
        if (queryParams.value.current == 1) {
            commentList.value = data.data.recordList;
        } else {
            commentList.value.push(...data.data.recordList);
        }
        queryParams.value.current++;
        count.value = data.data.count;
        emit("getCommentCount", count.value);
    });
};
// 重新加载评论列表
const reloadComments = () => {
    queryParams.value.current = 1;
    getList();
};
// 重新加载回复评论
const reloadReplies = (index: number) => {
    getReplyList(commentList.value[index].id, {
        current: pageRef.value[index].current,
        size: 5,
    }).then(({ data }) => {
        commentList.value[index].replyVOList = data.data;
        commentList.value[index].replyCount++;
        // 隐藏回复框
        replyRef.value[index].setReply(false);
        // 回复大于5条展示分页
        if (commentList.value[index].replyCount > 5) {
            pageRef.value[index].setPaging(true);
        }
        // 隐藏查看更多
        readMoreRef.value[index].style.display = "none";
    });
};
onMounted(() => {
    getList();
});
</script>

<style lang="scss" scoped>
@import "@/assets/styles/mixin.scss";

.reply-title {
    display: flex;
    align-items: center;
    margin: 22px 0;
    padding-left: 10px;
    font-size: 20px;
    font-weight: 600;
    line-height: 40px;
}

.sub-reply-avatar {
    position: absolute;
    left: 0;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
}

.reply-item {
    display: flex;
    padding-top: 1rem;

    .content-warp {
        flex: auto;
        margin-left: 0.6rem;
    }

    .bottom-line {
        border-bottom: 1px solid var(--grey-3);
        margin-top: 0.5rem;
    }
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 4px;

    .user-name {
        font-size: 0.875rem;
        font-weight: 500;
        margin-right: 0.3125rem;
    }
}

.sub-reply-item {
    position: relative;
    padding: 8px 0 8px 33px;
    font-size: 15px;
    line-height: 24px;

    .sub-user-info {
        display: inline-flex;
        align-items: center;
        margin-right: 9px;
        line-height: 24px;
    }

    .sub-user-name {
        font-size: 13px;
        line-height: 24px;
    }
}

.reply-info {
    display: flex;
    align-items: center;
    margin-top: 0.125rem;
    font-size: 0.8125rem;
    color: #9499a0;

    .reply-time {
        margin-right: 15px;
        padding-top: 2px;
    }

    .reply-like {
        display: flex;
        align-items: center;
        margin-right: 17px;
        cursor: pointer;

        &:hover .like {
            color: var(--color-pink);
        }
    }

    .reply-btn {
        cursor: pointer;

        &:hover {
            color: var(--color-pink);
        }
    }
}

.reply-content {
    overflow: hidden;
    word-wrap: break-word;
    word-break: break-word;
    white-space: pre-wrap;
    font-size: 0.9375rem;
    line-height: 1.5;
    vertical-align: baseline;
}

.view-more {
    font-size: 13px;
    color: #9499a0;

    .view-more-btn {
        cursor: pointer;

        &:hover {
            color: var(--color-pink);
        }
    }
}
</style>